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Henry Mueller — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Henry Mueller across the 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a head (b.~1899), then head of a 6-person household.
Age 41
b. ~1899
Male
Head
Born: Missouri
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Mueller |
| Given Name | Henry |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | Electrician |
| Industry | Electrical Contractor |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 2700 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Occupation | Electrician |
| Township / Ward | Chicago |
| Est. Birth Year | ~1899 |
Household Members
Census records only state relationship to the household head.
Pairwise kinship is derived (~90–95% accurate), not recorded.
Step/blended families and boarders can break it.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Henry | Age | Birth yr |
|---|---|---|---|---|
| Paul Mueller | Son | — | 10 | ~1930 |
| Henry Mueller | Head | — | 41 | ~1899 |
| Viola Maillet | Other | — | 61 | ~1879 |
| Robert Mueller | Son | — | 16 | ~1924 |
| Virginia Mueller | Spouse | — | 39 | ~1901 |
| Henry Mueller | Son | — | 13 | ~1927 |
Census Appearances
1930
Cook, Illinois
Head, age 30
Cook, Illinois · implied b. ~1900 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mueller |
| Given Name | Henry |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Missouri |
| Age at First Marriage | 20 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Occupation | Electrician |
| Industry | Electric Co. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 9000 |
| Radio Set | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
Cook-County, Illinois
Head, age 41
Cook-County, Illinois · implied b. ~1899 — 6 household members
| Surname | Mueller |
| Given Name | Henry |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Occupation | Electrician |
| Industry | Electrical Contractor |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 2700 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links Henry Mueller across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Henry Mueller
Head · 1940 · age 41 · b. ~1899 · Illinois
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Cook-County, Illinois
Open full size
1940 US Federal Census — Cook-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00992-00020)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Hattie Ruehl | 50 | Wife | — | Illinois |
| 2 | Eleanor Ruehl | 13 | Daughter | — | Illinois |
| 3 | Henry Mueller THIS PERSON | 41 | Head | Electrician | Missouri |
| 4 | Virginia Mueller | 39 | Wife | — | Illinois |
| 5 | Robert Mueller | 16 | Son | — | Illinois |
| 6 | Henry Mueller | 13 | Son | — | Illinois |
| 7 | Paul Mueller | 10 | Son | — | Illinois |
| 8 | Viola Maillet | 61 | Mother-in-law | — | Mississippi |
| 9 | Warren Davis | 24 | Head | Shipping Clerk | Illinois |
| 10 | Anne A. Davis | 23 | Wife | — | Illinois |
| 11 | Diane Davis | 1 | Daughter | — | Illinois |
| 12 | Arthur Johnston | 55 | Head | Janitor | Missouri |
| 13 | Elsie Johnston | 52 | Wife | — | Illinois |
| 14 | Lawrence Hart | 45 | Head | Superintendent | Michigan |
| 15 | Helen Hart | 35 | Wife | — | Michigan |
| 16 | Betty Jo Hart | 12 | Daughter | — | Illinois |
| 17 | Marilyn Hart | 5 | Daughter | — | Illinois |
| 18 | Anthony Ambrose | 53 | Head | Chauffeur | Belgium |
| 19 | Mary Ambrose | 51 | Wife | — | Illinois |
| 20 | Leona Ambrose | 24 | Daughter | — | Illinois |
| 21 | Rasmus Bakke | 73 | Head | — | Norway |
| 22 | Tommene Bakke | 76 | Wife | — | Norway |
| 23 | Anna Mathiesen | 83 | Lodger | — | Norway |
| 24 | Samuel Schoerder | 48 | Head | Dentist | Alabama |
| 25 | Grace M. Schoerder | 46 | Wife | — | Illinois |
| 26 | John Schoerder | 27 | Son | Embalmer | Illinois |
| 27 | William Schoerder | 19 | Son | — | Illinois |
| 28 | Donald Schoerder | 15 | Son | — | Illinois |
| 29 | Ernie Sista | 34 | Head | Butcher | Poland |
| 30 | Stephanie Sista | 30 | Wife | — | Poland |
| 31 | Leonard Sista | 6 | Son | — | Illinois |
| 32 | Henry Schultz | 33 | Head | Traffic Manager | Illinois |
| 33 | Helen Schultz | 62 | Mother | — | Germany |
| 34 | Charles Rahmel | 57 | Head | Salesman | Ohio |
| 35 | Alfrida Rahmel | 54 | Wife | — | Ohio |
| 36 | Henry Jahnke | 32 | Head | Marketing Clerk | Illinois |
| 37 | Helen Jahnke | 32 | Wife | — | Illinois |
| 38 | Donald Jahnke | 3 | Son | — | Illinois |
| 39 | Kay Marie Jahnke | 2 | Daughter | — | Illinois |
| 40 | Ellen Dwyer | 59 | Aunt | — | Illinois |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.
Source: National Archives and Records Administration (NARA)